/ Dictionary / Index N nitid: Meaning and Definition of Find definitions for: nit•id Pronunciation: (nit'id), [key] — adj. bright; lustrous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nitid (Thesaurus) nitfly nitinol Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language